Hi everyone, ladies! I think I'm overthinking this. My daughter was fussy all day yesterday, constan…

Hi everyone, ladies! I think I'm overthinking this. My daughter was fussy all day yesterday, constantly saying she wanted to sleep. Then she nursed and seemed fine. We went to a birthday party, and she started saying she was cold, even though I thought she felt warm. We went home, and she had a fever of 100.4°F (38°C), and it was 102.2°F (39°C) during the night. Today she stayed with her grandma, and this morning she was still asking to sleep, but now she seems to be playing and watching cartoons. No other symptoms. Could it just be a cold? I'm really worried because three weeks ago her blood sugar dropped to 2.9, she needed an IV drip, and she sometimes gets ketones in her urine when she's sick.